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Items: 1 to 50 of 228

1.

Rooibos agro-processing waste as herbal tea products - optimisation of soluble solids extraction from dust and application to improve sensory profile, colour and flavonoid content of stem infusions.

Sishi M, Muller M, de Beer D, van der Rijst M, Joubert E.

J Sci Food Agric. 2019 Jan 13. doi: 10.1002/jsfa.9587. [Epub ahead of print]

PMID:
30637751
2.

Creation of an Enhanced Recovery After Surgery (ERAS) Guideline for neonatal intestinal surgery patients: a knowledge synthesis and consensus generation approach and protocol study.

Gibb ACN, Crosby MA, McDiarmid C, Urban D, Lam JYK, Wales PW, Brockel M, Raval M, Offringa M, Skarsgard ED, Wester T, Wong K, de Beer D, Nelson G, Brindle ME.

BMJ Open. 2018 Dec 9;8(12):e023651. doi: 10.1136/bmjopen-2018-023651.

3.

N2 fixation in free-floating filaments of Trichodesmium is higher than in transiently suboxic colony microenvironments.

Eichner M, Thoms S, Rost B, Mohr W, Ahmerkamp S, Ploug H, Kuypers MMM, de Beer D.

New Phytol. 2018 Dec 3. doi: 10.1111/nph.15621. [Epub ahead of print]

PMID:
30507001
4.

Bitter Taste Impact and Thermal Conversion of a Naringenin Glycoside from Cyclopia genistoides.

Danton O, Alexander L, Hunlun C, de Beer D, Hamburger M, Joubert E.

J Nat Prod. 2018 Dec 4. doi: 10.1021/acs.jnatprod.8b00710. [Epub ahead of print]

PMID:
30511853
5.

In Silico Screening of Comprehensive Two-Dimensional Centrifugal Partition Chromatography × Liquid Chromatography for Multiple Compound Isolation.

Marlot L, Batteau M, De Beer D, Faure K.

Anal Chem. 2018 Dec 18;90(24):14279-14286. doi: 10.1021/acs.analchem.8b03440. Epub 2018 Nov 29.

PMID:
30441894
6.

Bitter profiling of phenolic fractions of green Cyclopia genistoides herbal tea.

Alexander L, de Beer D, Muller M, van der Rijst M, Joubert E.

Food Chem. 2019 Mar 15;276:626-635. doi: 10.1016/j.foodchem.2018.10.030. Epub 2018 Oct 6.

PMID:
30409641
7.

Electrospraying as a suitable method for nanoencapsulation of the hydrophilic bioactive dihydrochalcone, aspalathin.

Human C, De Beer D, Van Der Rijst M, Aucamp M, Joubert E.

Food Chem. 2019 Mar 15;276:467-474. doi: 10.1016/j.foodchem.2018.10.016. Epub 2018 Oct 4.

PMID:
30409621
8.

Role of Extracellular Carbonic Anhydrase in Dissolved Inorganic Carbon Uptake in Alkaliphilic Phototrophic Biofilm.

Li T, Sharp CE, Ataeian M, Strous M, de Beer D.

Front Microbiol. 2018 Oct 22;9:2490. doi: 10.3389/fmicb.2018.02490. eCollection 2018.

9.

Arctic Coralline Algae Elevate Surface pH and Carbonate in the Dark.

Hofmann LC, Schoenrock K, de Beer D.

Front Plant Sci. 2018 Sep 25;9:1416. doi: 10.3389/fpls.2018.01416. eCollection 2018.

10.

Impact of steam treatment on shelf-life stability of a xanthone-rich green herbal tea (Cyclopia maculata Andrews Kies) - identifying quality changes during storage.

Alexander L, de Beer D, Muller M, van der Rijst M, Joubert E.

J Sci Food Agric. 2019 Feb;99(3):1334-1341. doi: 10.1002/jsfa.9308. Epub 2018 Oct 16.

PMID:
30094845
11.

Phenolic composition and total antioxidant capacity of South African frozen concentrated orange juice as affected by varietal, seasonal and regional differences.

Hunlun C, de Beer D, Sigge GO, Van Wyk J.

J Sci Food Agric. 2019 Feb;99(3):1029-1037. doi: 10.1002/jsfa.9267. Epub 2018 Sep 10.

PMID:
30009498
12.

Chemoprevention of LA7-Induced Mammary Tumor Growth by SM6Met, a Well-Characterized Cyclopia Extract.

Oyenihi OR, Krygsman A, Verhoog N, de Beer D, Saayman MJ, Mouton TM, Louw A.

Front Pharmacol. 2018 Jun 20;9:650. doi: 10.3389/fphar.2018.00650. eCollection 2018.

13.

Filamentous giant Beggiatoaceae from Guaymas Basin are capable of both denitrification and dissimilatory nitrate reduction to ammonium (DNRA).

Schutte CA, Teske A, MacGregor BJ, Salman-Carvalho V, Lavik G, Hach P, de Beer D.

Appl Environ Microbiol. 2018 May 25. pii: AEM.02860-17. doi: 10.1128/AEM.02860-17. [Epub ahead of print]

14.

Low-Light Anoxygenic Photosynthesis and Fe-S-Biogeochemistry in a Microbial Mat.

Haas S, de Beer D, Klatt JM, Fink A, Rench RM, Hamilton TL, Meyer V, Kakuk B, Macalady JL.

Front Microbiol. 2018 Apr 27;9:858. doi: 10.3389/fmicb.2018.00858. eCollection 2018.

15.

CO2 leakage alters biogeochemical and ecological functions of submarine sands.

Molari M, Guilini K, Lott C, Weber M, de Beer D, Meyer S, Ramette A, Wegener G, Wenzhöfer F, Martin D, Cibic T, De Vittor C, Vanreusel A, Boetius A.

Sci Adv. 2018 Feb 7;4(2):eaao2040. doi: 10.1126/sciadv.aao2040. eCollection 2018 Feb.

16.

Modeling of thermal degradation kinetics of the C-glucosyl xanthone mangiferin in an aqueous model solution as a function of pH and temperature and protective effect of honeybush extract matrix.

Beelders T, de Beer D, Kidd M, Joubert E.

Food Res Int. 2018 Jan;103:103-109. doi: 10.1016/j.foodres.2017.10.020. Epub 2017 Oct 14.

PMID:
29389595
17.

Cyanobacterial photosynthesis under sulfidic conditions: insights from the isolate Leptolyngbya sp. strain hensonii.

Hamilton TL, Klatt JM, de Beer D, Macalady JL.

ISME J. 2018 Feb;12(2):568-584. doi: 10.1038/ismej.2017.193. Epub 2018 Jan 12.

18.
19.

The microbial community of a biofilm contact reactor for the treatment of winery wastewater.

de Beer DM, Botes M, Cloete TE.

J Appl Microbiol. 2018 Feb;124(2):598-610. doi: 10.1111/jam.13654. Epub 2018 Jan 15.

PMID:
29193551
20.

Phenolic and physicochemical stability of a functional beverage powder mixture during storage: effect of the microencapsulant inulin and food ingredients.

de Beer D, Pauck CE, Aucamp M, Liebenberg W, Stieger N, van der Rijst M, Joubert E.

J Sci Food Agric. 2018 Jun;98(8):2925-2934. doi: 10.1002/jsfa.8787. Epub 2018 Jan 30.

PMID:
29168179
21.

Untargeted analysis of chromatographic data for green and fermented rooibos: Problem with size effect removal.

Tobin J, Walach J, de Beer D, Williams PJ, Filzmoser P, Walczak B.

J Chromatogr A. 2017 Nov 24;1525:109-115. doi: 10.1016/j.chroma.2017.10.024. Epub 2017 Oct 9.

PMID:
29037593
22.

Polyphenol-Enriched Fractions of Cyclopia intermedia Selectively Affect Lipogenesis and Lipolysis in 3T3-L1 Adipocytes.

Jack BU, Malherbe CJ, Willenburg EL, de Beer D, Huisamen B, Joubert E, Muller CJF, Louw J, Pheiffer C.

Planta Med. 2018 Jan;84(2):100-110. doi: 10.1055/s-0043-119463. Epub 2017 Sep 22.

PMID:
28938495
23.

Effects of suspended sediments and nutrient enrichment on juvenile corals.

Humanes A, Fink A, Willis BL, Fabricius KE, de Beer D, Negri AP.

Mar Pollut Bull. 2017 Dec 15;125(1-2):166-175. doi: 10.1016/j.marpolbul.2017.08.003. Epub 2017 Aug 14.

PMID:
28818603
24.

Ten years of simulation-based training in pediatric anesthesia: The inception, evolution, and dissemination of the Managing Emergencies in Pediatric Anesthesia (MEPA) course.

Everett TC, MacKinnon R, de Beer D, Taylor M, Bould MD.

Paediatr Anaesth. 2017 Oct;27(10):984-990. doi: 10.1111/pan.13224. Epub 2017 Aug 17. Review.

PMID:
28815823
25.

Response of Posidonia oceanica seagrass and its epibiont communities to ocean acidification.

Guilini K, Weber M, de Beer D, Schneider M, Molari M, Lott C, Bodnar W, Mascart T, De Troch M, Vanreusel A.

PLoS One. 2017 Aug 9;12(8):e0181531. doi: 10.1371/journal.pone.0181531. eCollection 2017.

26.

A diver-operated hyperspectral imaging and topographic surveying system for automated mapping of benthic habitats.

Chennu A, Färber P, De'ath G, de Beer D, Fabricius KE.

Sci Rep. 2017 Aug 2;7(1):7122. doi: 10.1038/s41598-017-07337-y.

27.

Evidence for fungal and chemodenitrification based N2O flux from nitrogen impacted coastal sediments.

Wankel SD, Ziebis W, Buchwald C, Charoenpong C, de Beer D, Dentinger J, Xu Z, Zengler K.

Nat Commun. 2017 Jun 5;8:15595. doi: 10.1038/ncomms15595.

28.

Thermal stability of the functional ingredients, glucosylated benzophenones and xanthones of honeybush (Cyclopia genistoides), in an aqueous model solution.

Beelders T, de Beer D, Ferreira D, Kidd M, Joubert E.

Food Chem. 2017 Oct 15;233:412-421. doi: 10.1016/j.foodchem.2017.04.083. Epub 2017 Apr 17.

PMID:
28530592
29.

Minimising variation in aspalathin content of aqueous green rooibos extract: optimising extraction and identifying critical material attributes.

Miller N, De Beer D, Joubert E.

J Sci Food Agric. 2017 Nov;97(14):4937-4942. doi: 10.1002/jsfa.8370. Epub 2017 Jun 27.

PMID:
28397329
30.

Intestinal Transport Characteristics and Metabolism of C-Glucosyl Dihydrochalcone, Aspalathin.

Bowles S, Joubert E, de Beer D, Louw J, Brunschwig C, Njoroge M, Lawrence N, Wiesner L, Chibale K, Muller C.

Molecules. 2017 Mar 30;22(4). pii: E554. doi: 10.3390/molecules22040554.

31.

Phenolic profiling of rooibos using off-line comprehensive normal phase countercurrent chromatography×reversed phase liquid chromatography.

Walters NA, de Villiers A, Joubert E, de Beer D.

J Chromatogr A. 2017 Mar 24;1490:102-114. doi: 10.1016/j.chroma.2017.02.021. Epub 2017 Feb 14.

PMID:
28236460
32.

Multivariate analysis of variance of designed chromatographic data. A case study involving fermentation of rooibos tea.

Marini F, de Beer D, Walters NA, de Villiers A, Joubert E, Walczak B.

J Chromatogr A. 2017 Mar 17;1489:115-125. doi: 10.1016/j.chroma.2017.02.007. Epub 2017 Feb 4.

PMID:
28189260
33.

Oxygenic and anoxygenic photosynthesis in a microbial mat from an anoxic and sulfidic spring.

de Beer D, Weber M, Chennu A, Hamilton T, Lott C, Macalady J, M Klatt J.

Environ Microbiol. 2017 Mar;19(3):1251-1265. doi: 10.1111/1462-2920.13654. Epub 2017 Feb 20.

34.

Cyanobacteria in Sulfidic Spring Microbial Mats Can Perform Oxygenic and Anoxygenic Photosynthesis Simultaneously during an Entire Diurnal Period.

Klatt JM, de Beer D, Häusler S, Polerecky L.

Front Microbiol. 2016 Dec 15;7:1973. doi: 10.3389/fmicb.2016.01973. eCollection 2016.

35.

The Universal Anaesthesia Machine (UAM): assessment of a new anaesthesia workstation built with global health in mind.

de Beer DA, Nesbitt FD, Bell GT, Rapuleng A.

Anaesthesia. 2017 Apr;72(4):444-451. doi: 10.1111/anae.13752. Epub 2016 Dec 8.

36.

Evaluation of capillary electrophoresis for the analysis of rooibos and honeybush tea phenolics.

Arries WJ, Tredoux AG, de Beer D, Joubert E, de Villiers A.

Electrophoresis. 2017 Mar;38(6):897-905. doi: 10.1002/elps.201600349. Epub 2016 Dec 27.

PMID:
27921291
37.

The potential role of polyphenols in the modulation of skin cell viability by Aspalathus linearis and Cyclopia spp. herbal tea extracts in vitro.

Magcwebeba TU, Riedel S, Swanevelder S, Swart P, De Beer D, Joubert E, Andreas Gelderblom WC.

J Pharm Pharmacol. 2016 Nov;68(11):1440-1453. doi: 10.1111/jphp.12629. Epub 2016 Sep 27.

PMID:
27671741
38.

Evidence for water-mediated mechanisms in coral-algal interactions.

Jorissen H, Skinner C, Osinga R, de Beer D, Nugues MM.

Proc Biol Sci. 2016 Aug 17;283(1836). pii: 20161137. doi: 10.1098/rspb.2016.1137.

39.

Internal pH regulation facilitates in situ long-term acclimation of massive corals to end-of-century carbon dioxide conditions.

Wall M, Fietzke J, Schmidt GM, Fink A, Hofmann LC, de Beer D, Fabricius KE.

Sci Rep. 2016 Aug 1;6:30688. doi: 10.1038/srep30688.

40.

Biotic Control of Surface pH and Evidence of Light-Induced H+ Pumping and Ca2+-H+ Exchange in a Tropical Crustose Coralline Alga.

Hofmann LC, Koch M, de Beer D.

PLoS One. 2016 Jul 26;11(7):e0159057. doi: 10.1371/journal.pone.0159057. eCollection 2016.

42.

Direct Nitrous Oxide Emission from the Aquacultured Pacific White Shrimp (Litopenaeus vannamei).

Heisterkamp IM, Schramm A, de Beer D, Stief P.

Appl Environ Microbiol. 2016 Jun 13;82(13):4028-4034. doi: 10.1128/AEM.00396-16. Print 2016 Jul 1.

43.

Microsensor studies on Padina from a natural CO2 seep: implications of morphology on acclimation to low pH.

Hofmann LC, Fink A, Bischof K, de Beer D.

J Phycol. 2015 Dec;51(6):1106-15. doi: 10.1111/jpy.12347. Epub 2015 Oct 19.

PMID:
26987005
44.

The Guaymas Basin Hiking Guide to Hydrothermal Mounds, Chimneys, and Microbial Mats: Complex Seafloor Expressions of Subsurface Hydrothermal Circulation.

Teske A, de Beer D, McKay LJ, Tivey MK, Biddle JF, Hoer D, Lloyd KG, Lever MA, Røy H, Albert DB, Mendlovitz HP, MacGregor BJ.

Front Microbiol. 2016 Feb 18;7:75. doi: 10.3389/fmicb.2016.00075. eCollection 2016.

45.

Quantification of the effects of ocean acidification on sediment microbial communities in the environment: the importance of ecosystem approaches.

Hassenrück C, Fink A, Lichtschlag A, Tegetmeyer HE, de Beer D, Ramette A.

FEMS Microbiol Ecol. 2016 May;92(5):fiw027. doi: 10.1093/femsec/fiw027. Epub 2016 Feb 16.

46.

Rapid Reactivation of Cyanobacterial Photosynthesis and Migration upon Rehydration of Desiccated Marine Microbial Mats.

Chennu A, Grinham A, Polerecky L, de Beer D, Al-Najjar MA.

Front Microbiol. 2015 Dec 24;6:1472. doi: 10.3389/fmicb.2015.01472. eCollection 2015.

47.
48.

Assessing similarity analysis of chromatographic fingerprints of Cyclopia subternata extracts as potential screening tool for in vitro glucose utilisation.

Schulze AE, De Beer D, Mazibuko SE, Muller CJ, Roux C, Willenburg EL, Nyunaï N, Louw J, Manley M, Joubert E.

Anal Bioanal Chem. 2016 Jan;408(2):639-49. doi: 10.1007/s00216-015-9147-7. Epub 2015 Nov 5.

PMID:
26542834
49.

Microscale profiling of photosynthesis-related variables in a highly productive biofilm photobioreactor.

Li T, Piltz B, Podola B, Dron A, de Beer D, Melkonian M.

Biotechnol Bioeng. 2016 May;113(5):1046-55. doi: 10.1002/bit.25867. Epub 2015 Nov 20.

PMID:
26498147
50.

Shorter telomeres correlate with an increase in the number of uniparental disomies in patients with chronic lymphocytic leukemia.

Sellmann L, Scholtysik R, de Beer D, Eisele L, Klein-Hitpass L, Nückel H, Dührsen U, Dürig J, Röth A, Baerlocher GM.

Leuk Lymphoma. 2016;57(3):590-5. doi: 10.3109/10428194.2015.1076929. Epub 2015 Oct 12.

PMID:
26457386

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